weasel. (vertebrate zoology). The common name for at least 12 species of small, slim carnivores which belong to the family Mustelidae and which have a reddish-brown coat with whitish underparts; species in the northern regions have white fur during the winter and are called ermine.
Call your doctor if there's no improvement after taking antibiotics for 48 hours. Children taking an antibiotic who feel well and don't have a fever often can return to school or child care when they're no longer contagious â usually 24 hours after beginning treatment. But be sure to finish all the medicine.
Also, they go away on their own within five to seven days. Strep throat, by contrast, usually arrives in a hurry, without any other cold or flu symptoms, and after a test confirm you have strep, it should be treated with antibiotics to prevent more serious disease and stop its spread to others.